{"product_id":"skeg-protector-guard-fits-mercury-mariner-75-300-hp-2-stroke-4-stroke-replaces-oem-27211","title":"Skeg Protector Guard – Fits Mercury\/Mariner 75-300 HP 2-Stroke \u0026 4-Stroke (Replaces OEM 27211)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eProtect your outboard motor's lower unit with this marine-grade \u003cstrong\u003eSkeg Protector Guard\u003c\/strong\u003e. It is engineered to fit a wide range of Mercury and Mariner 75–300 HP 2-Stroke \u0026amp; 4-Stroke engines from 1999 to the present, including Command Thrust, SeaPro, Verado, Optimax, and ProXS models (excluding Torquemaster).\u003c\/p\u003e\n\u003cp\u003eThis guard serves as a direct replacement for Mercury\/Mariner OEM part number 27211.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy bolt-on installation takes less than 10 minutes with included hardware.\u003c\/li\u003e\n\u003cli\u003eConstructed from tough, 18-gauge 316 marine-grade stainless steel for superior durability.\u003c\/li\u003e\n\u003cli\u003eFeatures a 3mm reinforced wear tab and a drain hole to prevent corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n        \u003ctd\u003e27211\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis skeg guard is designed for the following Mercury and Mariner models.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eCommand Thrust\u003c\/td\u003e\n\u003ctd\u003e75-115\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–Present\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSeaPro\u003c\/td\u003e\n\u003ctd\u003e75-115\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–Present\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eVerado\u003c\/td\u003e\n\u003ctd\u003e135-225\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2005–2018\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eProXS\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–Present\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSeaPro\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2019–Present\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOptimax\u003c\/td\u003e\n\u003ctd\u003e200-250\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2018\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003eNo Torquemaster\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eProXS\u003c\/td\u003e\n\u003ctd\u003e200-250\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2018\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003eNo Torquemaster\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003ePRO Verado\u003c\/td\u003e\n\u003ctd\u003e200-300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2015–2018\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e4.8\" Gearcase\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2004\u003c\/td\u003e\n\u003ctd\u003e27211\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eSkeg Protector Guard\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eSelf-locking bolts\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003e18-Gauge Marine-Grade 316 Stainless Steel\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eMirror Polished Stainless Steel\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eSpecific to skeg model\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.71 kg (1.57 lbs)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eSkeg-conforming sleeve\u003c\/dd\u003e\n  \u003cdt\u003eThread Size\u003c\/dt\u003e\n\u003cdd\u003e1\/4\"\u003c\/dd\u003e\n  \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003eMarine environment temperature range\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e3-year manufacturer warranty\u003c\/dd\u003e\n  \u003cdt\u003eAdditional Features\u003c\/dt\u003e\n\u003cdd\u003e3mm reinforced wear tab, drain hole to prevent corrosion\/freezing\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Skeg Protector Guard (27211)\u003c\/li\u003e\n\u003cli\u003e1 x \u003cspan style=\"color:#d0021b;\"\u003eSet of Stainless Steel Self-Locking Hardware\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 x \u003cspan style=\"color:#d0021b;\"\u003e1\/4\" Drill Bit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 x \u003cspan style=\"color:#d0021b;\"\u003eHex Key Tool\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is off and the drive is tilted up and secured. For safety, disconnect the battery.\u003c\/li\u003e\n\u003cli\u003eConfirm you have at least 2-3 inches of the original skeg remaining. Clean the skeg of any debris or marine growth.\u003c\/li\u003e\n\u003cli\u003eSlide the skeg guard sleeve completely onto the existing skeg until it fits securely.\u003c\/li\u003e\n\u003cli\u003eMark the locations for drilling through the two mounting holes on the side of the guard.\u003c\/li\u003e\n\u003cli\u003eRemove the guard and carefully drill the marked spots using the included 1\/4\" drill bit.\u003c\/li\u003e\n\u003cli\u003eClean any metal shavings or burrs from the holes.\u003c\/li\u003e\n\u003cli\u003ePlace the skeg guard back onto the skeg, aligning the holes.\u003c\/li\u003e\n\u003cli\u003eInsert the self-locking bolts and tighten them evenly with the provided hex key until snug. Do not over-tighten.\u003c\/li\u003e\n\u003cli\u003eThe entire installation process typically takes less than 10 minutes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much of my original skeg do I need for this to fit?\u003c\/summary\u003e\u003cp\u003eThis skeg guard requires at least 2-3 inches of the original skeg to be remaining for a secure installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit my Torquemaster gearcase?\u003c\/summary\u003e\u003cp\u003eNo, this model is not compatible with Torquemaster gearcases. Please check your model compatibility before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the guard made of?\u003c\/summary\u003e\u003cp\u003eIt is constructed from heavy-duty 18-gauge, marine-grade 316 stainless steel with a mirror-polished finish for excellent corrosion resistance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does the reinforced wear tab do?\u003c\/summary\u003e\u003cp\u003eThe bottom of the guard features a 3mm reinforced wear tab that provides significant extra protection against grounding, impacts, and abrasion.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\u003cp\u003eYes, installation requires drilling two 1\/4\" holes into the skeg. A drill bit, locking bolts, and a hex key are all included in the package.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does the design prevent corrosion?\u003c\/summary\u003e\u003cp\u003eA built-in drain hole at the bottom of the guard allows water to escape, preventing it from being trapped and causing corrosion or damage from freezing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718262559035,"sku":"1905-27211KF","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1905-27211KF.png?v=1762958385","url":"https:\/\/seasierra.com\/products\/skeg-protector-guard-fits-mercury-mariner-75-300-hp-2-stroke-4-stroke-replaces-oem-27211","provider":"SeaSierra","version":"1.0","type":"link"}